:root {
  --sn-paper: #f4f0e8;
  --sn-card: #fbf8f2;
  --sn-ink: #1e211f;
  --sn-muted: #72736e;
  --sn-line: #dcd5ca;
  --sn-accent: #d9553f;
  --sn-accent-soft: #f3ded5;
  --sn-blue: #315b73;
  --sn-blue-soft: #dce8ed;
  --sn-green: #426553;
  --sn-green-soft: #dfe9df;
  --sn-gold: #9b6b25;
  --sn-gold-soft: #eee2ca;
  --sn-serif: "Noto Serif SC", "Songti SC", Georgia, serif;
  --sn-sans: Inter, "PingFang SC", "Microsoft YaHei", sans-serif;
  --theme: var(--sn-paper);
  --entry: var(--sn-card);
  --primary: var(--sn-ink);
  --secondary: var(--sn-muted);
  --tertiary: #e7e0d5;
  --content: #333632;
  --code-block-bg: #292d2a;
  --code-bg: #e9e3d9;
  --border: var(--sn-line);
}

:root[data-theme="dark"] {
  --sn-paper: #171a18;
  --sn-card: #202421;
  --sn-ink: #f0ede6;
  --sn-muted: #a6a69e;
  --sn-line: #353a36;
  --sn-accent: #ef755f;
  --sn-accent-soft: #452f2a;
  --sn-blue: #8eb4c5;
  --sn-blue-soft: #26383f;
  --sn-green: #90b59d;
  --sn-green-soft: #293b30;
  --sn-gold: #d3a65f;
  --sn-gold-soft: #403722;
  --theme: var(--sn-paper);
  --entry: var(--sn-card);
  --primary: var(--sn-ink);
  --secondary: var(--sn-muted);
  --tertiary: #2a2f2b;
  --content: #d5d2cb;
  --code-block-bg: #101210;
  --code-bg: #2b302c;
  --border: var(--sn-line);
  color-scheme: dark;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  background: var(--sn-paper) !important;
  color: var(--sn-ink);
  font-family: var(--sn-sans);
  font-size: 16px;
  letter-spacing: -.005em;
}

body::before,
body::after { display: none !important; }

a { text-underline-offset: 4px; }

::selection {
  color: var(--sn-ink);
  background: var(--sn-accent-soft);
}

.header {
  position: relative;
  z-index: 40;
  border-bottom: 1px solid var(--sn-line) !important;
  background: color-mix(in srgb, var(--sn-paper) 92%, transparent) !important;
  backdrop-filter: blur(18px);
}

.nav {
  width: min(1180px, calc(100% - 48px));
  max-width: none;
  min-height: 76px;
  margin: 0 auto;
  padding: 0;
}

.logo a {
  color: var(--sn-ink) !important;
  background: none !important;
  -webkit-background-clip: border-box !important;
  background-clip: border-box !important;
  -webkit-text-fill-color: currentColor !important;
  text-shadow: none !important;
  font-family: var(--sn-serif);
  font-size: 19px;
  font-weight: 700;
  letter-spacing: -.02em;
}

.logo a::before {
  content: "S";
  width: 34px;
  height: 34px;
  margin-right: 11px;
  display: inline-grid;
  place-items: center;
  border-radius: 50%;
  color: #fff;
  background: var(--sn-accent);
  font: 700 14px/1 var(--sn-serif);
  vertical-align: middle;
}

.logo-switches { margin-left: 10px; }

#theme-toggle {
  color: var(--sn-muted);
  transition: color .2s ease, transform .2s ease;
}

#theme-toggle:hover { color: var(--sn-accent); transform: rotate(8deg); }

#menu {
  height: auto !important;
  min-height: 0 !important;
  align-self: center !important;
  line-height: 1 !important;
  gap: 4px;
  margin: 0;
  padding: 4px;
  border: 1px solid var(--sn-line);
  border-radius: 999px;
  background: var(--sn-card);
}

#menu li + li { margin-inline-start: 0; }

#menu a {
  padding: 9px 14px;
  line-height: 1.2;
  border-radius: 999px;
  color: var(--sn-muted);
  font-size: 13px;
  font-weight: 550;
  transition: color .2s ease, background .2s ease;
}

#menu a:hover,
#menu .active {
  color: var(--sn-ink);
  background: var(--sn-paper);
}

#menu a::before {
  content: none !important;
  background: none !important;
}

#menu a:has(.active) {
  color: #fff !important;
  background: var(--sn-accent) !important;
  box-shadow: none !important;
}

#menu a:has(.active) .active {
  color: inherit !important;
  background: none !important;
}

.main {
  width: min(1180px, calc(100% - 48px));
  max-width: none;
  margin: 0 auto;
  padding: 0;
}

.sn-home { padding: 0 0 90px; }

.sn-hero {
  min-height: 610px;
  padding: 92px 0 78px;
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(320px, .65fr);
  gap: clamp(54px, 8vw, 112px);
  align-items: end;
  border-bottom: 1px solid var(--sn-line);
}

.sn-kicker,
.sn-section-kicker,
.sn-topic-eyebrow {
  margin: 0 0 20px;
  color: var(--sn-accent);
  font-size: 11px;
  font-weight: 750;
  letter-spacing: .18em;
  text-transform: uppercase;
}

.sn-hero h1 {
  max-width: 760px;
  margin: 0;
  font: 650 clamp(46px, 6.2vw, 83px)/1.08 var(--sn-serif);
  letter-spacing: -.065em;
}

.sn-hero-lead {
  max-width: 650px;
  margin: 28px 0 0;
  color: var(--sn-muted);
  font-size: clamp(16px, 1.6vw, 19px);
  line-height: 1.9;
}

.sn-hero-actions {
  margin-top: 34px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.sn-button {
  min-height: 44px;
  padding: 0 17px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 1px solid var(--sn-line);
  border-radius: 10px;
  color: var(--sn-ink);
  background: var(--sn-card);
  font-size: 13px;
  font-weight: 650;
  text-decoration: none;
  transition: transform .2s ease, border-color .2s ease;
}

.sn-button:hover { transform: translateY(-2px); border-color: var(--sn-accent); }
.sn-button.primary { color: #fff; border-color: var(--sn-accent); background: var(--sn-accent); }

.sn-hero-stats {
  margin-top: 36px;
  display: flex;
  gap: 30px;
  color: var(--sn-muted);
  font-size: 12px;
}

.sn-hero-stats strong { margin-right: 5px; color: var(--sn-ink); font: 650 19px var(--sn-serif); }

.sn-feature-card {
  position: relative;
  min-height: 395px;
  padding: 28px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  border: 1px solid var(--sn-line);
  border-radius: 2px 34px 2px 2px;
  background: var(--sn-card);
  box-shadow: 16px 18px 0 var(--sn-accent-soft);
  overflow: hidden;
}

.sn-feature-card::after {
  content: "税";
  position: absolute;
  right: -7px;
  bottom: -40px;
  color: color-mix(in srgb, var(--sn-accent) 10%, transparent);
  font: 700 180px/1 var(--sn-serif);
  pointer-events: none;
}

.sn-feature-top { position: relative; z-index: 1; display: flex; justify-content: space-between; color: var(--sn-muted); font-size: 10px; letter-spacing: .12em; }
.sn-feature-card a { position: relative; z-index: 1; color: inherit; text-decoration: none; }
.sn-feature-card h2 { margin: 18px 0 14px; font: 650 28px/1.45 var(--sn-serif); letter-spacing: -.035em; }
.sn-feature-card p { margin: 0; color: var(--sn-muted); font-size: 13px; line-height: 1.8; }
.sn-feature-read { position: relative; z-index: 1; color: var(--sn-accent); font-size: 12px; font-weight: 750; }

.sn-manifesto {
  padding: 54px 0;
  display: grid;
  grid-template-columns: 160px minmax(0, 1fr);
  gap: 42px;
  border-bottom: 1px solid var(--sn-line);
}

.sn-manifesto span { color: var(--sn-muted); font-size: 11px; letter-spacing: .14em; text-transform: uppercase; }
.sn-manifesto p { max-width: 840px; margin: 0; font: 500 clamp(23px, 3vw, 36px)/1.65 var(--sn-serif); letter-spacing: -.035em; }
.sn-manifesto em { color: var(--sn-accent); font-style: normal; }

.sn-section { padding: 84px 0 0; }
.sn-section-head { margin-bottom: 32px; display: flex; align-items: end; justify-content: space-between; gap: 32px; }
.sn-section-head h2 { margin: 0; font: 650 clamp(32px, 4vw, 48px)/1.2 var(--sn-serif); letter-spacing: -.045em; }
.sn-section-head p { max-width: 480px; margin: 0; color: var(--sn-muted); font-size: 13px; line-height: 1.8; }

.sn-topic-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.sn-topic-card {
  min-height: 265px;
  padding: 22px;
  display: flex;
  flex-direction: column;
  border: 1px solid var(--sn-line);
  background: var(--sn-card);
  color: var(--sn-ink);
  text-decoration: none;
  transition: transform .22s ease, border-color .22s ease;
}
.sn-topic-card:hover { transform: translateY(-4px); border-color: var(--topic-color, var(--sn-accent)); }
.sn-topic-card[data-tone="ai"] { --topic-color: var(--sn-blue); --topic-soft: var(--sn-blue-soft); }
.sn-topic-card[data-tone="product"] { --topic-color: var(--sn-accent); --topic-soft: var(--sn-accent-soft); }
.sn-topic-card[data-tone="making"] { --topic-color: var(--sn-gold); --topic-soft: var(--sn-gold-soft); }
.sn-topic-card[data-tone="life"] { --topic-color: var(--sn-green); --topic-soft: var(--sn-green-soft); }
.sn-topic-icon { width: 40px; height: 40px; display: grid; place-items: center; border-radius: 50%; color: var(--topic-color); background: var(--topic-soft); font: 700 13px var(--sn-serif); }
.sn-topic-card h3 { margin: 30px 0 9px; font: 650 22px var(--sn-serif); }
.sn-topic-card p { margin: 0; color: var(--sn-muted); font-size: 12px; line-height: 1.75; }
.sn-topic-card footer { width: 100%; margin: auto 0 0; padding-top: 24px; display: flex; justify-content: space-between; color: var(--topic-color); font-size: 11px; }

.sn-article-grid { display: grid; grid-template-columns: repeat(2, 1fr); border-top: 1px solid var(--sn-line); }
.sn-article-card {
  min-height: 245px;
  padding: 28px 30px 26px 0;
  display: flex;
  flex-direction: column;
  border-bottom: 1px solid var(--sn-line);
  color: inherit;
  text-decoration: none;
}
.sn-article-card:nth-child(odd) { border-right: 1px solid var(--sn-line); }
.sn-article-card:nth-child(even) { padding-left: 30px; }
.sn-article-meta { display: flex; align-items: center; gap: 10px; color: var(--sn-muted); font-size: 10px; }
.sn-topic-pill { padding: 5px 8px; border-radius: 999px; color: var(--sn-accent); background: var(--sn-accent-soft); font-weight: 700; }
.sn-article-card h3 { max-width: 500px; margin: 20px 0 11px; font: 650 24px/1.45 var(--sn-serif); letter-spacing: -.03em; transition: color .2s ease; }
.sn-article-card:hover h3 { color: var(--sn-accent); }
.sn-article-card p { margin: 0; color: var(--sn-muted); font-size: 12px; line-height: 1.75; }
.sn-article-arrow { margin-top: auto; padding-top: 24px; color: var(--sn-accent); font-size: 18px; }
.sn-all-link { margin-top: 24px; display: inline-flex; color: var(--sn-ink); font-size: 13px; font-weight: 700; }

.sn-roadmap {
  margin-top: 88px;
  padding: 46px;
  border-radius: 28px;
  color: #f7f2e9;
  background: #212825;
}
:root[data-theme="dark"] .sn-roadmap { background: #0f1210; }
.sn-roadmap .sn-section-kicker { color: #ef8b78; }
.sn-roadmap-head { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; }
.sn-roadmap h2 { margin: 0; font: 650 40px/1.25 var(--sn-serif); letter-spacing: -.04em; }
.sn-roadmap-head > p { margin: 0; color: rgba(247,242,233,.58); font-size: 13px; line-height: 1.85; }
.sn-roadmap-list { margin-top: 42px; display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid rgba(255,255,255,.15); }
.sn-roadmap-item { padding: 25px 20px 5px 0; border-right: 1px solid rgba(255,255,255,.15); }
.sn-roadmap-item + .sn-roadmap-item { padding-left: 20px; }
.sn-roadmap-item:last-child { border-right: 0; }
.sn-roadmap-item span { color: #ef8b78; font: italic 12px var(--sn-serif); }
.sn-roadmap-item h3 { margin: 16px 0 8px; font: 600 18px var(--sn-serif); }
.sn-roadmap-item p { margin: 0; color: rgba(247,242,233,.52); font-size: 10px; line-height: 1.7; }

.sn-about {
  padding: 80px 0 10px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
}
.sn-about h2 { margin: 0; font: 650 38px var(--sn-serif); letter-spacing: -.04em; }
.sn-about p { margin: 0; color: var(--sn-muted); line-height: 1.9; }
.sn-about-links { margin-top: 20px; display: flex; gap: 18px; }
.sn-about-links a { color: var(--sn-ink); font-size: 12px; font-weight: 700; }

.page-header {
  padding: 78px 0 40px;
  border-bottom: 1px solid var(--sn-line);
}
.page-header h1 { margin: 12px 0 0; font: 650 clamp(42px, 6vw, 70px)/1.12 var(--sn-serif); letter-spacing: -.055em; }
.breadcrumbs { color: var(--sn-muted); font-size: 11px; }

.post-entry {
  position: relative;
  margin: 0;
  padding: 35px 0;
  border: 0;
  border-bottom: 1px solid var(--sn-line);
  border-radius: 0;
  background: transparent;
}
.post-entry:hover { background: transparent; }
.entry-header h2 { max-width: 850px; font: 650 clamp(23px, 3vw, 32px)/1.4 var(--sn-serif); letter-spacing: -.035em; }
.entry-content { max-width: 820px; margin-top: 10px; color: var(--sn-muted); font-size: 13px; line-height: 1.75; }
.entry-footer { margin-top: 14px; color: var(--sn-muted); font-size: 10px; }

.post-single {
  width: 100%;
  max-width: 1080px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 750px) 240px;
  column-gap: 70px;
  align-items: start;
}
.post-header { grid-column: 1 / -1; max-width: 900px; margin: 0; padding: 82px 0 46px; }
.sn-article-topic { margin: 26px 0 14px; display: inline-flex; color: var(--sn-accent); font-size: 11px; font-weight: 750; letter-spacing: .08em; text-decoration: none; }
.post-title { margin: 0; font: 650 clamp(42px, 6vw, 72px)/1.16 var(--sn-serif); letter-spacing: -.06em; }
.post-description { max-width: 760px; margin-top: 22px; color: var(--sn-muted); font-size: 17px; line-height: 1.8; }
.post-meta { margin-top: 20px; color: var(--sn-muted); font-size: 11px; }
.post-single > .toc { grid-column: 2; grid-row: 2; position: sticky; top: 100px; margin: 0; border: 0; background: transparent; }
.post-single > .toc details { border-left: 1px solid var(--sn-line); border-radius: 0; }
.post-single > .toc summary { padding: 0 0 14px 18px; color: var(--sn-muted); font-size: 10px; letter-spacing: .08em; text-transform: uppercase; }
.post-single > .toc .inner { margin: 0; padding: 0 0 0 18px; }
.post-single > .toc .inner ul { padding-inline-start: 0; list-style: none; }
.post-single > .toc .inner li { margin: 0 0 10px; }
.post-single > .toc .inner a { color: var(--sn-muted); font-size: 10px; line-height: 1.5; }
.post-content { grid-column: 1; grid-row: 2; max-width: 750px; color: var(--content); font-family: var(--sn-serif); font-size: 17px; line-height: 2; }
.post-content > p:first-child { font-size: 19px; }
.post-content h2 { margin-top: 2.8em; font: 650 32px/1.45 var(--sn-serif); letter-spacing: -.035em; }
.post-content h3 { margin-top: 2.1em; font: 650 23px/1.5 var(--sn-serif); }
.post-content a { color: var(--sn-accent); box-shadow: none; }
.post-content blockquote { margin: 1.8rem 0; padding: 1rem 1.25rem; border-left: 3px solid var(--sn-accent); color: var(--sn-muted); background: var(--sn-accent-soft); }
.post-content table { font-family: var(--sn-sans); font-size: 13px; }
.post-content th { background: var(--code-bg); }
.post-footer { grid-column: 1; grid-row: 3; margin-top: 50px; }
.post-tags a { border-color: var(--sn-line); border-radius: 999px; color: var(--sn-muted); background: var(--sn-card); }
.paginav { border-color: var(--sn-line); border-radius: 16px; background: var(--sn-card); }
.tax-guide { --tax-accent: var(--sn-accent) !important; --tax-soft: var(--sn-accent-soft) !important; }

.sn-topic-index,
.sn-topic-page { padding-bottom: 90px; }
.sn-topic-index-hero,
.sn-topic-hero { padding: 82px 0 50px; border-bottom: 1px solid var(--sn-line); }
.sn-topic-index-hero h1,
.sn-topic-hero h1 { max-width: 820px; margin: 0; font: 650 clamp(48px, 7vw, 78px)/1.12 var(--sn-serif); letter-spacing: -.06em; }
.sn-topic-index-hero p,
.sn-topic-hero p { max-width: 690px; margin: 22px 0 0; color: var(--sn-muted); font-size: 16px; line-height: 1.85; }
.sn-topic-index .sn-topic-grid { margin-top: 48px; }
.sn-topic-page .sn-topic-article-list { border-top: 1px solid var(--sn-line); }
.sn-topic-page .post-entry { padding-right: 120px; }
.sn-topic-count { margin-top: 30px; display: inline-flex; color: var(--sn-accent); font-size: 11px; font-weight: 750; }
.sn-topic-next { margin-top: 55px; padding: 28px; border: 1px solid var(--sn-line); border-radius: 18px; background: var(--sn-card); }
.sn-topic-next span { color: var(--sn-accent); font-size: 10px; font-weight: 750; letter-spacing: .12em; }
.sn-topic-next h2 { margin: 10px 0 8px; font: 650 24px var(--sn-serif); }
.sn-topic-next p { margin: 0; color: var(--sn-muted); font-size: 12px; line-height: 1.75; }

.terms-tags li a { border-radius: 999px; border-color: var(--sn-line); background: var(--sn-card); }
.archive-year { font-family: var(--sn-serif); }
.search-input { border-color: var(--sn-line) !important; border-radius: 12px !important; background: var(--sn-card) !important; }

.footer {
  width: min(1180px, calc(100% - 48px));
  max-width: none;
  margin: 0 auto;
  padding: 34px 0;
  border-top: 1px solid var(--sn-line);
  color: var(--sn-muted);
  font-size: 10px;
}

.ch-chat-fab,
.ch-chat-panel { display: none !important; }

#chatBtn {
  right: 24px;
  bottom: 24px;
  width: 48px;
  height: 48px;
  border: 1px solid var(--sn-line);
  color: #fff;
  background: var(--sn-accent);
  box-shadow: 0 12px 30px rgba(23,27,24,.18);
}
#chatWindow { border: 1px solid var(--sn-line); border-radius: 18px; background: var(--sn-card); box-shadow: 0 24px 70px rgba(20,24,21,.24); }

@media (max-width: 980px) {
  .sn-hero { grid-template-columns: 1fr; min-height: auto; }
  .sn-feature-card { min-height: 300px; max-width: 660px; }
  .sn-topic-grid { grid-template-columns: repeat(2, 1fr); }
  .sn-roadmap-list { grid-template-columns: repeat(2, 1fr); }
  .sn-roadmap-item:nth-child(2) { border-right: 0; }
  .sn-roadmap-item:nth-child(n+3) { border-top: 1px solid rgba(255,255,255,.15); }
  .post-single { grid-template-columns: minmax(0, 1fr); }
  .post-header { grid-column: 1; }
  .post-single > .toc { grid-column: 1; grid-row: 2; position: static; margin-bottom: 36px; padding: 18px; border: 1px solid var(--sn-line); border-radius: 12px; background: var(--sn-card); }
  .post-single > .toc details { border-left: 0; }
  .post-content { grid-column: 1; grid-row: 3; max-width: 780px; }
  .post-footer { grid-row: 4; }
}

@media (max-width: 700px) {
  .nav,
  .main,
  .footer { width: min(100% - 32px, 1180px); }
  .nav { min-height: 66px; }
  .logo a { font-size: 16px; }
  .logo a::before { width: 30px; height: 30px; margin-right: 8px; }
  #menu { max-width: 54vw; padding: 3px; overflow-x: auto; scrollbar-width: none; }
  #menu a { padding: 8px 10px; font-size: 11px; white-space: nowrap; }
  .sn-home { padding-bottom: 60px; }
  .sn-hero { padding: 58px 0 58px; gap: 50px; }
  .sn-hero h1 { font-size: 46px; }
  .sn-hero-lead { font-size: 15px; }
  .sn-hero-stats { gap: 18px; flex-wrap: wrap; }
  .sn-feature-card { min-height: 320px; padding: 23px; box-shadow: 10px 12px 0 var(--sn-accent-soft); }
  .sn-feature-card h2 { font-size: 24px; }
  .sn-manifesto { padding: 45px 0; grid-template-columns: 1fr; gap: 18px; }
  .sn-manifesto p { font-size: 25px; }
  .sn-section { padding-top: 62px; }
  .sn-section-head { align-items: flex-start; flex-direction: column; gap: 12px; }
  .sn-topic-grid { grid-template-columns: 1fr; }
  .sn-topic-card { min-height: 225px; }
  .sn-article-grid { grid-template-columns: 1fr; }
  .sn-article-card,
  .sn-article-card:nth-child(even) { min-height: 220px; padding: 25px 0; border-right: 0; }
  .sn-article-card h3 { font-size: 22px; }
  .sn-roadmap { margin-top: 64px; padding: 28px 23px; border-radius: 20px; }
  .sn-roadmap-head { grid-template-columns: 1fr; }
  .sn-roadmap h2 { font-size: 31px; }
  .sn-roadmap-list { grid-template-columns: 1fr; }
  .sn-roadmap-item,
  .sn-roadmap-item + .sn-roadmap-item { padding: 22px 0; border-right: 0; border-top: 1px solid rgba(255,255,255,.15); }
  .sn-roadmap-item:first-child { border-top: 0; }
  .sn-about { padding-top: 62px; grid-template-columns: 1fr; gap: 24px; }
  .post-header { padding: 56px 0 34px; }
  .post-title { font-size: 40px; }
  .post-description { font-size: 15px; }
  .post-content { font-size: 16px; line-height: 1.95; }
  .post-content > p:first-child { font-size: 17px; }
  .post-content h2 { font-size: 27px; }
  .sn-topic-index-hero,
  .sn-topic-hero { padding: 60px 0 40px; }
  .sn-topic-index-hero h1,
  .sn-topic-hero h1 { font-size: 46px; }
  .sn-topic-page .post-entry { padding-right: 0; }
  #chatBtn { right: 16px; bottom: 16px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation-duration: .001ms !important; transition-duration: .001ms !important; }
}

/* --------------------------------------------------------------------------
   SYMBOL SYSTEM / V2
   A public field log: observe → judge → build → review.
   -------------------------------------------------------------------------- */

:root {
  --sn-paper: #eeede7;
  --sn-card: #f8f7f2;
  --sn-ink: #121212;
  --sn-muted: #66655f;
  --sn-line: #bbb9b0;
  --sn-accent: #f04432;
  --sn-accent-soft: #f5c9c1;
  --sn-mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

:root[data-theme="dark"] {
  --sn-paper: #111210;
  --sn-card: #191a17;
  --sn-ink: #f1f0e9;
  --sn-muted: #9c9b94;
  --sn-line: #484943;
  --sn-accent: #ff5947;
  --sn-accent-soft: #4d2621;
}

body {
  background-color: var(--sn-paper) !important;
  background-image:
    linear-gradient(color-mix(in srgb, var(--sn-line) 18%, transparent) 1px, transparent 1px),
    linear-gradient(90deg, color-mix(in srgb, var(--sn-line) 18%, transparent) 1px, transparent 1px) !important;
  background-size: 40px 40px !important;
}

.header {
  border-bottom: 1px solid var(--sn-ink) !important;
  background: color-mix(in srgb, var(--sn-paper) 96%, transparent) !important;
  backdrop-filter: blur(14px);
}

.nav {
  width: min(1200px, calc(100% - 48px));
  min-height: 72px;
}

.logo a {
  display: inline-flex;
  align-items: center;
  color: var(--sn-ink) !important;
  font-size: 0;
  font-family: var(--sn-mono);
  letter-spacing: .06em;
}

.logo a::before {
  content: "S/";
  width: 38px;
  height: 38px;
  margin-right: 12px;
  border: 1px solid var(--sn-ink);
  border-radius: 0;
  color: #fff;
  background: var(--sn-accent);
  box-shadow: 4px 4px 0 var(--sn-ink);
  font: 800 14px/1 var(--sn-mono);
}

.logo a::after {
  content: "HONG SYMBOL";
  color: var(--sn-ink);
  font: 750 13px/1 var(--sn-mono);
  letter-spacing: .08em;
}

#theme-toggle { border-radius: 0; }

#menu {
  gap: 0;
  padding: 0;
  border: 0;
  border-left: 1px solid var(--sn-line);
  border-radius: 0;
  background: transparent;
}

#menu li { border-right: 1px solid var(--sn-line); }

#menu a {
  min-height: 71px;
  padding: 0 17px;
  display: grid;
  place-items: center;
  border-radius: 0;
  color: var(--sn-ink);
  background: transparent;
  font: 650 12px/1 var(--sn-sans);
  letter-spacing: .06em;
}

#menu a:hover { color: #fff; background: var(--sn-ink); }
#menu a:has(.active) { color: #fff !important; background: var(--sn-accent) !important; }

.main,
.footer { width: min(1200px, calc(100% - 48px)); }

.sn-home { padding-bottom: 0; }

.sn-hero {
  position: relative;
  min-height: 690px;
  padding: 94px 0 78px;
  grid-template-columns: minmax(0, 1.25fr) minmax(330px, .58fr);
  gap: clamp(70px, 9vw, 130px);
  align-items: end;
  border-bottom: 0;
}

.sn-hero::before {
  content: "+";
  position: absolute;
  top: 36px;
  right: 0;
  color: var(--sn-accent);
  font: 500 32px/1 var(--sn-mono);
}

.sn-hero-copy {
  padding-left: 34px;
  border-left: 8px solid var(--sn-accent);
}

.sn-kicker,
.sn-section-kicker,
.sn-topic-eyebrow {
  margin-bottom: 18px;
  color: var(--sn-accent);
  font: 750 11px/1.3 var(--sn-mono);
  letter-spacing: .12em;
}

.sn-hero h1 {
  max-width: 780px;
  font: 850 clamp(52px, 6.6vw, 88px)/1.04 var(--sn-sans);
  letter-spacing: -.075em;
}

.sn-hero-lead {
  max-width: 660px;
  margin-top: 32px;
  color: var(--sn-ink);
  font-size: clamp(16px, 1.55vw, 19px);
  line-height: 1.9;
}

.sn-button {
  min-height: 46px;
  padding: 0 18px;
  border-color: var(--sn-ink);
  border-radius: 0;
  background: var(--sn-card);
  font: 700 12px/1 var(--sn-mono);
  letter-spacing: .03em;
}

.sn-button:hover {
  transform: translate(-3px, -3px);
  border-color: var(--sn-ink);
  box-shadow: 3px 3px 0 var(--sn-ink);
}

.sn-button.primary { border-color: var(--sn-ink); background: var(--sn-accent); }

.sn-hero-stats {
  margin-top: 42px;
  gap: 0;
  color: var(--sn-muted);
  font: 700 10px/1 var(--sn-mono);
  letter-spacing: .08em;
}

.sn-hero-stats span {
  min-width: 118px;
  padding: 10px 16px 10px 0;
  border-top: 1px solid var(--sn-line);
}

.sn-hero-stats strong {
  display: block;
  margin: 0 0 7px;
  color: var(--sn-ink);
  font: 800 22px/1 var(--sn-mono);
}

.sn-feature-card {
  min-height: 420px;
  padding: 28px;
  border: 2px solid var(--sn-ink);
  border-radius: 0;
  background: var(--sn-card);
  box-shadow: 13px 13px 0 var(--sn-accent);
}

.sn-feature-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 72px;
  height: 7px;
  background: var(--sn-accent);
}

.sn-feature-card::after {
  content: "013";
  right: -8px;
  bottom: -20px;
  color: color-mix(in srgb, var(--sn-ink) 6%, transparent);
  font: 900 138px/1 var(--sn-mono);
}

.sn-feature-top,
.sn-feature-read {
  color: var(--sn-ink);
  font-family: var(--sn-mono);
  font-weight: 700;
  letter-spacing: .06em;
}

.sn-feature-card h2 { margin-top: 24px; font-size: 27px; }

.sn-feature-read {
  width: fit-content;
  padding-bottom: 5px;
  border-bottom: 2px solid var(--sn-accent);
}

.sn-manifesto {
  width: 100vw;
  margin-left: calc(50% - 50vw);
  padding: 28px max(24px, calc((100vw - 1200px) / 2));
  grid-template-columns: 145px minmax(0, 1fr);
  align-items: center;
  border: 0;
  color: #fff;
  background: var(--sn-ink);
}

.sn-manifesto span {
  color: var(--sn-accent);
  font: 750 11px/1 var(--sn-mono);
}

.sn-manifesto p {
  max-width: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  color: var(--sn-paper);
  font: 700 clamp(12px, 1.25vw, 15px)/1 var(--sn-mono);
  letter-spacing: .02em;
}

.sn-manifesto i { color: var(--sn-accent); font-style: normal; }

.sn-section { padding-top: 105px; }

.sn-section-head { margin-bottom: 38px; align-items: start; }

.sn-section-head h2,
.sn-roadmap h2 {
  font: 850 clamp(34px, 4vw, 52px)/1.12 var(--sn-sans);
  letter-spacing: -.055em;
}

.sn-section-head > p { padding-top: 28px; }

.sn-topic-grid {
  gap: 0;
  border-top: 1px solid var(--sn-ink);
  border-left: 1px solid var(--sn-ink);
}

.sn-topic-card {
  min-height: 315px;
  padding: 24px;
  border: 0;
  border-right: 1px solid var(--sn-ink);
  border-bottom: 1px solid var(--sn-ink);
  background: color-mix(in srgb, var(--sn-card) 86%, transparent);
  transition: color .18s ease, background .18s ease, transform .18s ease;
}

.sn-topic-card:hover {
  z-index: 1;
  transform: translate(-5px, -5px);
  border-color: var(--sn-ink);
  color: #fff;
  background: var(--sn-ink);
  box-shadow: 5px 5px 0 var(--sn-accent);
}

.sn-topic-code {
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: var(--sn-muted);
  font: 700 10px/1 var(--sn-mono);
  letter-spacing: .05em;
}

.sn-topic-code span:first-child {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border: 1px solid currentColor;
  color: var(--sn-accent);
  font-size: 12px;
}

.sn-topic-card:hover .sn-topic-code,
.sn-topic-card:hover p,
.sn-topic-card:hover footer { color: #fff; }

.sn-topic-card:hover .sn-topic-code span:first-child { color: var(--sn-accent); }

.sn-topic-card h3 {
  margin: 58px 0 12px;
  font: 800 24px/1.25 var(--sn-sans);
  letter-spacing: -.035em;
}

.sn-topic-card p { font-size: 12px; line-height: 1.8; }

.sn-topic-card footer {
  color: var(--sn-ink);
  font: 700 10px/1 var(--sn-mono);
  letter-spacing: .04em;
}

.sn-article-grid { border-color: var(--sn-ink); }

.sn-article-card {
  min-height: 270px;
  padding: 30px 34px 28px 0;
  border-color: var(--sn-line);
}

.sn-article-card:nth-child(odd) { border-color: var(--sn-line); }

.sn-topic-pill {
  padding: 0;
  border-radius: 0;
  color: var(--sn-accent);
  background: none;
  font-family: var(--sn-mono);
}

.sn-article-meta { font-family: var(--sn-mono); }
.sn-article-card h3 { font-size: 25px; }
.sn-article-card:hover h3 { color: var(--sn-accent); }
.sn-article-arrow { font-family: var(--sn-mono); }

.sn-all-link {
  padding-bottom: 6px;
  border-bottom: 2px solid var(--sn-accent);
  font-family: var(--sn-mono);
  letter-spacing: .04em;
}

.sn-roadmap {
  width: 100vw;
  margin: 110px 0 0 calc(50% - 50vw);
  padding: 72px max(24px, calc((100vw - 1200px) / 2));
  border-top: 7px solid var(--sn-accent);
  border-radius: 0;
  background: #111 !important;
}

.sn-roadmap-list { border-color: rgba(255,255,255,.28); }

.sn-roadmap-item span {
  color: var(--sn-accent);
  font: 700 10px/1 var(--sn-mono);
  letter-spacing: .05em;
}

.sn-roadmap-item h3 { font-family: var(--sn-sans); font-weight: 750; }

.sn-roadmap-item p {
  color: rgba(255,255,255,.48);
  font-family: var(--sn-mono);
  letter-spacing: .05em;
}

.sn-about {
  width: 100vw;
  margin-left: calc(50% - 50vw);
  padding: 80px max(24px, calc((100vw - 1200px) / 2));
  grid-template-columns: .7fr 1.3fr;
  color: #fff;
  background: var(--sn-accent);
}

.sn-about .sn-section-kicker,
.sn-about h2,
.sn-about p,
.sn-about-links a { color: #fff; }

.sn-about h2 {
  font: 850 46px/1 var(--sn-sans);
  letter-spacing: -.06em;
}

.sn-about-links a {
  padding-bottom: 4px;
  border-bottom: 1px solid currentColor;
  font-family: var(--sn-mono);
}

.page-header,
.sn-topic-index-hero,
.sn-topic-hero {
  padding: 92px 0 58px;
  border-bottom: 1px solid var(--sn-ink);
}

.page-header h1,
.sn-topic-index-hero h1,
.sn-topic-hero h1 {
  font-family: var(--sn-sans);
  font-weight: 850;
  letter-spacing: -.065em;
}

.sn-topic-index .sn-topic-grid { margin-top: 0; }

.sn-topic-count {
  padding: 8px 10px;
  border: 1px solid var(--sn-accent);
  font-family: var(--sn-mono);
  letter-spacing: .05em;
}

.sn-topic-next {
  border: 2px solid var(--sn-ink);
  border-radius: 0;
  box-shadow: 8px 8px 0 var(--sn-accent);
}

.sn-topic-next span { font-family: var(--sn-mono); }

.post-entry { border-color: var(--sn-line); }

.post-single { grid-template-columns: minmax(0, 790px) minmax(220px, 1fr); }

.post-header {
  max-width: 980px;
  padding-top: 88px;
  border-bottom: 1px solid var(--sn-line);
}

.sn-article-topic {
  padding: 7px 9px;
  border: 1px solid var(--sn-accent);
  color: var(--sn-accent);
  font-family: var(--sn-mono);
  letter-spacing: .04em;
}

.post-title { font-size: clamp(43px, 6vw, 76px); }

.post-single > .toc summary,
.post-single > .toc .inner a { font-family: var(--sn-mono); }

.post-single > .toc details { border-left: 2px solid var(--sn-accent); }

.post-content blockquote,
.post-tags a,
.paginav,
.terms-tags li a,
.search-input { border-radius: 0 !important; }

#chatBtn {
  border: 1px solid var(--sn-ink);
  border-radius: 0 !important;
  background: var(--sn-accent);
  box-shadow: 5px 5px 0 var(--sn-ink);
}

#chatWindow { border-radius: 0; }

.footer {
  border-color: var(--sn-ink);
  font-family: var(--sn-mono);
}

@media (max-width: 980px) {
  .sn-hero { gap: 72px; }
  .sn-topic-grid { grid-template-columns: repeat(2, 1fr); }
  .sn-topic-card { min-height: 280px; }
}

@media (max-width: 700px) {
  body { background-size: 28px 28px !important; }

  .nav,
  .main,
  .footer { width: min(100% - 32px, 1200px); }

  .nav {
    min-height: 0;
    padding-top: 10px;
    flex-wrap: wrap;
  }

  .logo { min-height: 43px; }
  .logo a::before { width: 32px; height: 32px; margin-right: 9px; box-shadow: 3px 3px 0 var(--sn-ink); }
  .logo a::after { font-size: 11px; }

  #menu {
    order: 3;
    width: 100%;
    max-width: none;
    margin-top: 8px;
    border-top: 1px solid var(--sn-line);
  }

  #menu li { flex: 1; }
  #menu a { min-height: 39px; padding: 0 8px; font-size: 10px; }

  .sn-hero {
    padding: 60px 0 64px;
    gap: 58px;
  }

  .sn-hero::before { top: 24px; }
  .sn-hero-copy { padding-left: 18px; border-left-width: 5px; }
  .sn-hero h1 { font-size: clamp(44px, 12.6vw, 54px); }
  .sn-hero-lead { font-size: 15px; }
  .sn-hero-stats span { min-width: 94px; }

  .sn-feature-card {
    min-height: 360px;
    padding: 24px;
    box-shadow: 9px 9px 0 var(--sn-accent);
  }

  .sn-feature-card::after { font-size: 105px; }

  .sn-manifesto {
    padding-top: 25px;
    padding-bottom: 25px;
    grid-template-columns: 1fr;
  }

  .sn-manifesto p {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    justify-items: start;
    line-height: 1.5;
  }

  .sn-manifesto p b:nth-of-type(3),
  .sn-manifesto p b:nth-of-type(4) { grid-row: 2; }

  .sn-section { padding-top: 78px; }
  .sn-section-head > p { padding-top: 0; }
  .sn-topic-grid { grid-template-columns: 1fr; }
  .sn-topic-card { min-height: 260px; }
  .sn-topic-card h3 { margin-top: 46px; }

  .sn-article-card,
  .sn-article-card:nth-child(even) { padding: 26px 0; }

  .sn-roadmap {
    margin-top: 82px;
    padding-top: 52px;
    padding-bottom: 52px;
  }

  .sn-about {
    padding-top: 58px;
    padding-bottom: 58px;
    grid-template-columns: 1fr;
  }

  .sn-about h2 { font-size: 40px; }

  .post-single > .toc { border-radius: 0; }
  .post-header { padding-top: 62px; }
  .post-title { font-size: 40px; }
}